import random
S=''
L1=["{:0>6}".format(a) for a in range(100) ]
L2=[chr(b) for b in range(0x61,0x7b)]
for c in L1:
    for d in range(10):
        S=S+random.choice(L2)
    print("{}.{}".format(c,S))
    S=''
    
